confirm

verb
con·​firm | \ kən-ˈfərm How to pronounce confirm (audio) \
confirmed; confirming; confirms

Definition of confirm

transitive verb

1 : to give approval to : ratify confirm a treaty
2 : to make firm or firmer : strengthen confirm one's resolve
3 : to administer the rite of confirmation to
4 : to give new assurance of the validity of : remove doubt about by authoritative act or indisputable fact confirm a rumor confirm an order

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Other Words from confirm

confirmability \ kən-​ˌfər-​mə-​ˈbi-​lə-​tē How to pronounce confirmability (audio) \ noun
confirmable \ kən-​ˈfər-​mə-​bəl How to pronounce confirmable (audio) \ adjective

Choose the Right Synonym for confirm

confirm, corroborate, substantiate, verify, authenticate, validate mean to attest to the truth or validity of something. confirm implies the removing of doubts by an authoritative statement or indisputable fact. confirmed the reports corroborate suggests the strengthening of what is already partly established. witnesses corroborated his story substantiate implies the offering of evidence that sustains the contention. the claims have yet to be substantiated verify implies the establishing of correspondence of actual facts or details with those proposed or guessed at. all statements of fact in the article have been verified authenticate implies establishing genuineness by adducing legal or official documents or expert opinion. handwriting experts authenticated the diaries validate implies establishing validity by authoritative affirmation or by factual proof. validated the hypothesis by experiments

Examples of confirm in a Sentence

The tests confirmed the doctors' suspicions of cancer. The attack confirmed her worst fears about the neighborhood. The award confirmed her status as one of the great movie actresses. The dentist's office called to confirm your appointment for tomorrow. We have a reservation for you for tomorrow night. Please call to confirm.
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Recent Examples on the Web Last week, health officials confirmed the first case involving a King County teenager. Paige Cornwell, The Seattle Times, "Washington health officials declare statewide outbreak in vaping-related illness," 17 Sep. 2019 Despite the many regulatory hurdles on the way to a possible alignment with Paytm, which the latter hasn’t confirmed, a deal could help the bank break free of its checkered past — and reemerge as a digital lender. Andy Mukherjee | Bloomberg, Washington Post, "Bank’s Race Against Crisis Puts India on Warning," 17 Sep. 2019 The Cook County medical examiner has not yet confirmed the cause of death, and the incident was being investigated by the Cook County forest preserve’s police. Alice Yin, chicagotribune.com, "Off-duty Chicago police officer dies in apparent suicide, police say," 16 Sep. 2019 The Boy Scouts would not confirm the bankruptcy reports. Author: Samantha Schmidt, Kayla Epstein, Anchorage Daily News, "Lawsuits. Possible bankruptcy. Declining members. Is there a future for the Boy Scouts?," 14 Sep. 2019 The port authority's manager of airline affairs, Joe Rotterdam, says officials can't yet confirm whether any distress call was made from the aircraft. Cincinnati.com, "Toledo plane crash: 2 dead after cargo plane crashes, burns near airport," 11 Sep. 2019 The name of the business listed under Lee’s liquor license application is San Ho Won, but Lee didn’t confirm if that will be the restaurant’s name. Tara Duggan, SFChronicle.com, "Benu’s Corey Lee to open long-promised Korean restaurant in former Blowfish Sushi space," 10 Sep. 2019 Authorities have not confirmed the authenticity of the video, which has been removed from Facebook. Tim Stelloh, NBC News, "Minnesota man killed by police after apparently live streaming chase," 9 Sep. 2019 The Indian Space Research Organization has not yet confirmed if the lander was destroyed on impact or not. Wired, "A Moon Landing Goes Awry, Apple Opens Up on iOS Hacks, and More News," 6 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'confirm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of confirm

13th century, in the meaning defined at sense 1

History and Etymology for confirm

Middle English, from Anglo-French cunfermer, from Latin confirmare, from com- + firmare to make firm, from firmus firm

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Statistics for confirm

Last Updated

5 Nov 2019

Time Traveler for confirm

The first known use of confirm was in the 13th century

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More Definitions for confirm

confirm

verb
How to pronounce confirm (audio)

English Language Learners Definition of confirm

: to state or show that (something) is true or correct
: to tell someone that something has definitely happened or is going to happen : to make (something) definite or official
formal : to make (something) stronger or more certain : to cause (someone) to believe (something) more strongly

confirm

verb
con·​firm | \ kən-ˈfərm How to pronounce confirm (audio) \
confirmed; confirming

Kids Definition of confirm

1 : to make sure of the truth of Their arrest confirms my suspicion.
2 : to make firm or firmer (as in a habit, in faith, or in intention) : strengthen The job at the shelter confirmed her intention to become a veterinarian.
3 : approve sense 2, accept Senators confirmed the treaty.
4 : to perform a ceremony admitting a person into a church or synagogue
con·​firm

Legal Definition of confirm

1a : to make valid by necessary formal approval the debtor's chapter 13 plan confirmed by the court
b : to vote approval of confirm a nomination
2 : to give formal acknowledgment of receipt of
3 : to remove doubt about by authoritative act or indisputable fact a consent decree confirming Capt. Brown's right to his cargo— W. G. Young

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More from Merriam-Webster on confirm

Thesaurus: All synonyms and antonyms for confirm

Rhyming Dictionary: Words that rhyme with confirm

Spanish Central: Translation of confirm

Nglish: Translation of confirm for Spanish Speakers

Britannica English: Translation of confirm for Arabic Speakers

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